12 specially designed nightsoil collectors will transport the collected nightsoil to sewage treatment works of the drainage services department for disposal 12辆经特别设计的清粪车将粪便收集后，会将粪便运往渠务署的污水处理厂处理。
2.
14 specially designed nightsoil collectors will transport the collected nightsoil to sewage treatment works of the drainage services department for disposal 14辆经特别设计的清粪车将粪便收集后，会将粪便运往渠务署的污水处理厂处理。
